Function flipPixels

src/plots/gl3d/scene.js:1059–1071

(pixels, w, h)

};

function flipPixels(pixels, w, h) {
    for(var i = 0, q = h - 1; i < q; ++i, --q) {
        for(var j = 0; j < w; ++j) {
            for(var k = 0; k < 4; ++k) {
                var a = 4 * (w * i + j) + k;
                var b = 4 * (w * q + j) + k;
                var tmp = pixels[a];
                pixels[a] = pixels[b];
                pixels[b] = tmp;
            }
        }
    }
}

function correctRGB(pixels, w, h) {
    for(var i = 0; i < h; ++i) {